CN114038286A - Comprehensive examination training device with wiring detection function - Google Patents
Comprehensive examination training device with wiring detection function Download PDFInfo
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- CN114038286A CN114038286A CN202111516173.5A CN202111516173A CN114038286A CN 114038286 A CN114038286 A CN 114038286A CN 202111516173 A CN202111516173 A CN 202111516173A CN 114038286 A CN114038286 A CN 114038286A
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- 238000001514 detection method Methods 0.000 title claims abstract description 49
- 238000012549 training Methods 0.000 title claims abstract description 41
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- 238000009434 installation Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 238000005219 brazing Methods 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000005476 soldering Methods 0.000 claims description 2
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- 101100190621 Arabidopsis thaliana PLC4 gene Proteins 0.000 description 24
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- G—PHYSICS
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- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/18—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for electricity or magnetism
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/55—Testing for incorrect line connections
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
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Abstract
The invention relates to a comprehensive examination training device with a wiring detection function, belonging to the field of manufacturing of training devices, and the technical scheme comprises a mounting rack, a distribution box, a circuit breaker, a PLC, an industrial socket, a load motor, a frequency converter, a relay, a touch screen, an output control module, an input control module, a double-wire detection terminal, a switch, a buzzer and an alarm lamp, when the practical training equipment finishes wiring, the wiring state detection system can be started, the collection of the wiring state of the electrical equipment can be finished, and the wiring state can be compared with the correct wiring relation of the pre-input system, thereby completing the test of all the wiring states of the practical training equipment, if the wiring error exists, the system starts the alarm function to prompt the operator, the electric equipment is prevented from being damaged and personnel are prevented from being safely caused by electrifying the electric equipment under the condition of wrong wiring, and the economic loss and the social influence are reduced.
Description
Technical Field
The invention relates to a comprehensive examination and practical training device with a wiring detection function, and belongs to the field of practical training device manufacturing.
Background
In the aspect of high vocational education in China, in order to enable students to know and master the functions and wiring principles of various electrical components such as a PLC (programmable logic controller), a frequency converter and a motor more comprehensively, each college provides a large amount of practical training equipment for students in schools so as to enable the students to practice wiring, control and debugging, and application publication numbers are as follows: the patent of CN112562440A discloses a comprehensive training and examining device for an industrial automation control system, which can complete training and examining exercises of wiring, programming, power-on debugging and the like of a common classical circuit.
However, during the course of the practical training course, due to the fact that class capacity is large, a teacher generally provides a wiring diagram of a learning task and task requirements, then students perform wiring by themselves, the teacher cannot see each student and each device at any time, once the students make mistakes during wiring, core valuable instruments such as the PLC4 and the frequency converter 7 are burnt if the current limiting components are burnt, even personal safety occurs if the current limiting components are burnt if the current limiting components are mistakenly electrified, and the equipment needs to be maintained every year in the aspect of high vocational education in China. And the maintenance needs time, and equipment in case the trouble directly leads to equipment rate of utilization to descend, and the condition such as student's exercise is not enough appears.
The above conditions not only cause equipment damage and cause economic loss, but also endanger the safety of operators, cause adverse social influence and influence production and practical training efficiency.
Aiming at the problems, after the conventional electrical control system and the common practical training equipment in a school are researched, the comprehensive examination practical training equipment with the wiring detection function is provided.
Disclosure of Invention
The invention provides a comprehensive examination and training device with a wiring detection function, which is designed through the analysis and research of the existing device, a wiring state detection system can be started after the practical training device finishes wiring, the examination of all wiring states of the practical training device is finished, the practical training device is compared with the input correct wiring state, if the wiring error exists, the system starts an alarm function to prompt an operator, so that the damage of electrical equipment and the safety of personnel caused by electrifying the practical training device under the condition of wrong wiring are prevented, the potential safety hazard is avoided, the service life and the utilization rate of the practical training device are improved, and the problems in the background technology are solved.
In order to achieve the purpose, the technical scheme of the invention is as follows: the utility model provides a real standard equipment of comprehensive examination with wiring detection function, includes mounting bracket, block terminal, circuit breaker, PLC, industrial socket, load motor, converter, relay, touch-sensitive screen, output control module, input control module, double-line detection terminal, switch, bee calling organ and alarm lamp, double-line detection terminal is including colding pressing terminal, input signal line and output signal line, and input signal line, output signal line link firmly and switch on with colding pressing the terminal, and the mounting bracket includes base and components and parts mounting panel.
Block terminal, circuit breaker and industrial socket respectively with PLC connects, and the block terminal is used for providing the safety relay and the network router of system, and the circuit breaker is used for providing can close, bears and the electric current of breaking to when the circuit is unusual, cut off current in the time of regulation, each part of protection device, industrial socket is used for carrying out three-phase five-wire system power conversion.
The load motor is connected with a frequency converter and a relay, the frequency converter is used for adjusting the rotating speed of the load motor and feeding back internal operation parameters of the frequency converter to the PLC, and the relay is used for switching on, switching off and switching on a main circuit of the load motor when the relay is normally opened and normally closed to get an electric shock.
The PLC is used for system control and receiving and sending instructions, the PLC controls the output control module and the input control module and can receive information reported by the output control module and the input control module, the PLC can receive input information of the touch screen and compares the information reported by the output control module and the input control module with the input information of the touch screen, the judgment of the wiring state is completed, and the PLC controls the alarm lamp and the buzzer to send out sound and light alarm signals under the condition that wiring is in error.
The touch screen is connected with the PLC, the touch screen is used for a man-machine interaction interface to transmit instructions to the PLC, the touch screen receives information of the PLC and displays information such as a wiring state sent by the PLC, the touch screen completes information input, and a user completes input of correct wiring meter information of an electrical system on the touch screen and reports the information to the PLC.
The output control module receives the PLC instruction and feeds back operation information to the PLC, each output port of the output control module is connected with an input signal line of the double-line detection terminal through a signal line and a switch, and the output control module starts to work after the PLC sends the instruction.
The input control module receives a PLC instruction and feeds back detection information to the PLC, each input port of the input control module is connected with an output signal line of the double-line detection terminal through a signal line and a switch, and the input control module starts to work after the PLC sends the instruction.
The double-wire detection terminal comprises a cold pressing terminal, an input signal wire and an output signal wire, wherein the input signal wire and the output signal wire are fixedly connected and conducted with the cold pressing terminal.
The switch is connected in series with the input signal line and the output signal line of the output control module and the input control module and the double-line detection terminal, when the wiring state is detected, the switch is closed, the connection of a detection loop is completed, the test is disconnected after being correct, the electrical equipment is electrified to work, the working voltage of the electrical equipment is large, the wiring state detection system and the electrical equipment can be effectively isolated after the switch is disconnected, and the console equipment is prevented from being damaged due to overhigh voltage.
The alarm lamp links to each other with PLC, has the time of mistake at the wiring and breaks and glimmers to remind equipment fixing and debugging personnel to for equipment power-on under the condition that the wiring has the mistake, bring the potential safety hazard for equipment and staff.
The buzzer is connected with the PLC, and gives an alarm when the wiring is wrong, so that equipment installation and debugging personnel are reminded, the situation that the equipment is electrified under the condition that the wiring is wrong is avoided, and potential safety hazards are brought to the equipment and workers.
Before the practical training equipment leaves a factory, all wiring ends of all components are fixedly connected with a double-wire detection terminal, all the wiring ends and the connected double-wire detection terminal are numbered uniformly, an output port of an output control module and an input port of an input control module corresponding to the double-wire detection terminal are marked by the numbers, information corresponding to the output port of the output control module, the input port of the input control module and a wiring terminal of the electrical equipment of each numbered double-wire detection terminal is input and uploaded to a PLC through a touch screen, and input information is displayed on the touch screen in real time in the input process so as to prevent information errors.
When the practical training device is used, a teacher uploads the correct wiring relation of an experimental task to the PLC through the touch screen in the corresponding relation of serial numbers, students perform wiring according to a practical training task wiring diagram, after wiring is completed by wiring personnel, starting the detection of the wiring state, firstly closing the switch, outputting high level by the output port with the number 1 of the output control module after the output control module receives the PLC instruction, the other output ports output low level, the input control module detects all input ports except the input port with the number 1, if the other input ports have high level, the electrical equipment connecting terminal corresponding to the output port with the number 1 is proved to be connected with the electrical equipment connecting terminal corresponding to the high-level input port with a lead, and the real connection state under the current state can be obtained by sequentially traversing all the ports of the output control module and the input control module through the processes. PLC compares true wiring relation with the correct wiring relation of type-in, accomplishes the judgement of wiring relation, if the wiring is correct, through touch-sensitive screen display wiring success, the switch disconnection, normal work is gone up to real standard equipment, observes experimental phenomenon, if the wiring has the mistake, then drives the alarm lamp, and buzzer sends audible and visual alarm signal to the binding post number of wrong wiring is shown at the touch-sensitive screen display.
The practical training equipment can finish the acquisition of the wiring state of the practical training equipment and can be compared with the correct wiring relation of a pre-input system, so that the inspection of all the wiring states of the electrical equipment is finished, if a wiring error exists, the system starts an alarm function to prompt an operator, so that equipment damage and personnel safety caused by the fact that the electrical equipment is electrified under the condition of wrong wiring are avoided, and economic loss and social influence are reduced.
Preferably, the further technical scheme of the invention is as follows: the device still contains the terminal row, the terminal row is installed in components and parts mounting panel top, and the wiring end of all components and parts of components and parts mounting panel installation is all walked through the wire via components and parts mounting panel rear side through the wire, inserts terminal row downside terminal, and terminal row upside terminal is connected with the terminal of colding pressing of double-line detection terminal, will detect the wire of wiring state and the wire separation of the wiring exercise of the real process of instructing to the student detects the wire mistake of wiring state and demolishs when taking out stitches after the real standard is finished.
Preferably, the further technical scheme of the invention is as follows: the switch is a relay, so that the automatic control of the opening and closing of the circuit is easier to realize.
Preferably, the further technical scheme of the invention is as follows: the relay is an ohm dragon G5V-1-24V relay.
Preferably, the further technical scheme of the invention is as follows: the input signal wire and the output signal wire are fixedly connected with the cold pressing terminal by soldering iron brazing.
The invention has the beneficial effects that: through designing a real equipment of instructing of comprehensive examination with wiring detection function, can start wiring state detection system after real equipment of instructing accomplishes the wiring, can accomplish the collection of electrical equipment wiring state, and can compare with the correct wiring relation of input system in advance, thereby accomplish the inspection of real all wiring states of equipment of instructing, if there is the wiring mistake, the system will start alarm function, the suggestion operator, in case the electrical equipment is electrified under the wrong wiring condition and causes electrical equipment to damage and personnel's safety, economic loss and social influence have been reduced.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic front view of a training apparatus of the present invention;
FIG. 2 is a block diagram of a wiring detection system of the training apparatus of the present invention;
FIG. 3 is a schematic diagram of a two-wire test terminal configuration of the training apparatus of the present invention;
in the figure: the system comprises a mounting rack, a 2-distribution box, a 3-circuit breaker, a 4-PLC, a 5-industrial socket, a 6-load motor, a 7-frequency converter, an 8-relay, a 9-touch screen, a 10-output control module, a 11-input control module, a 12-double-wire detection terminal, a 13-buzzer, a 14-alarm lamp, a 15-cold-pressed terminal, a 16-input signal wire, a 17-output signal wire, a 18-base, a 19-component mounting plate and a 20-switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The distribution box 2, the circuit breaker 3 and the industrial socket 5 are respectively connected with the PLC4, and the distribution box 2 is used for providing a safety relay 8 and a network router of a system; the circuit breaker 3 is used for supplying current capable of being closed, loaded and opened, and cutting off the current in a specified time when the circuit is abnormal, and protecting each part of the device, namely the industrial socket 5, is used for carrying out three-phase five-wire system power conversion.
The load motor 6 is connected with a frequency converter 7 and a relay 8, the frequency converter 7 is used for adjusting the rotating speed of the load motor 6 and feeding back internal operation parameters to the PLC4, and the relay 8 is used for switching on, switching off and switching on a main circuit of the load motor 6 through normally open and normally closed electric shock.
The PLC4 is used for system control and receiving and sending instructions, the PLC4 controls the output control module 10 and the input control module 11 and can receive information reported by the output control module 10 and the input control module 11, the PLC4 can receive input information of the touch screen 9 and compare the information reported by the output control module 10 and the input control module 11 with the input information of the touch screen 9 to judge the wiring state, and the PLC4 controls the alarm lamp 14 and the buzzer 13 to send out audible and visual alarm signals under the condition of wrong wiring.
The touch screen 9 is connected with the PLC4, the touch screen 9 is used for a human-computer interaction interface to transmit instructions to the PLC4, the touch screen 9 receives information of the PLC4 and displays information such as a wiring state sent by the PLC4, the touch screen 9 completes information input, and a user completes input of correct wiring meter information of an electrical system on the touch screen 9 and reports the information to the PLC 4.
The output control module 10 receives the PLC4 command and feeds back operation information to the PLC4, each output port of the output control module 10 is connected to the input signal line 16 of the two-wire detection terminal 12 through a signal line and a switch 20, and the output control module 10 starts to operate after the PLC4 sends the command.
The input control module 11 receives a PLC4 command and feeds back detection information to the PLC4, each input port of the input control module 11 is connected with an output signal line 17 of the two-wire detection terminal 12 through a signal line and a switch 20, and the input control module 11 starts to work after the PLC4 sends out the command.
The double-wire detection terminal 12 comprises a cold-pressed terminal 15, an input signal wire 16 and an output signal wire 17, wherein the input signal wire 16 and the output signal wire 17 are fixedly connected and conducted with the cold-pressed terminal 15.
The switch 20 is connected in series with the input signal line 16 and the output signal line 17 of the output control module 10, the input control module 11 and the double-wire detection terminal 12, when the wiring state is detected, the switch 20 is closed to complete the connection of the detection loop, the test is disconnected after no fault, the electrical equipment is electrified to work, and because the working voltage of the electrical equipment is large, the wiring state detection system and the electrical equipment can be effectively isolated after the switch 20 is disconnected, and the console equipment is prevented from being damaged due to overhigh voltage.
The alarm lamp 14 is connected with the PLC4, and the wiring time is disconnected and is flickered, so that equipment installation and debugging personnel are reminded, the situation that the wiring is mistaken is avoided, and potential safety hazards are brought to the equipment and workers.
Before the practical training equipment leaves a factory, all terminals of all components are fixedly connected with one double-wire detection terminal 12, all the terminals and the connected double-wire detection terminal 12 are numbered uniformly, the output port of the output control module 10 and the input port of the input control module 11 corresponding to the double-wire detection terminal 12 are marked by the numbers, the numbered output port of the output control module 10, the input port of the input control module 11 and the information corresponding to the electrical equipment wiring terminal of each double-wire detection terminal 12 are input and uploaded to the PLC4 through the touch screen 9, and the input information is displayed on the touch screen 9 in real time in the input process so as to prevent the information from being mistaken.
When the practical training device is used, a teacher uploads the correct wiring relation of an experimental task to the PLC4 through the touch screen 9 in a corresponding number relation, students wire according to a practical training task wiring diagram, after wiring personnel finish wiring, starting the detection of the wiring state, firstly closing the switch 20, outputting high level from the output port with number 1 of the output control module 10 after the output control module 10 receives the PLC4 instruction, the other output ports output low level, the input control module 11 detects all input ports except the input port numbered 1, if there is high level at the other input ports, it is proved that the electrical equipment connection terminal corresponding to the output port with the number 1 is connected with the electrical equipment connection terminal corresponding to the high-level input port with a wire, and all the ports of the output control module 10 and the input control module 11 are traversed through the above processes in sequence, so that the real connection state in the current state can be obtained. The PLC4 compares the real wiring relation with the recorded correct wiring relation, the judgment of the wiring relation is completed, if the wiring is correct, the successful wiring is displayed through the touch screen 9, the switch 20 is disconnected, the practical training equipment is electrified and normally works, the realization phenomenon is observed, if the wiring is wrong, the alarm lamp 14 is driven, the buzzer 13 sends out an audible and visual alarm signal, and the wiring terminal number of the wrong wiring is displayed on the touch screen 9.
The practical training equipment can finish the acquisition of the wiring state of the practical training equipment and can be compared with the correct wiring relation of a pre-input system, so that the inspection of all the wiring states of the electrical equipment is finished, if a wiring error exists, the system starts an alarm function to prompt an operator, so that equipment damage and personnel safety caused by the fact that the electrical equipment is electrified under the condition of wrong wiring are avoided, and economic loss and social influence are reduced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a real standard equipment of comprehensive examination with wiring detection function, includes mounting bracket (1), block terminal (2), circuit breaker (3), PLC (4), industrial socket (5), load motor (6), converter (7), relay (8), touch-sensitive screen (9), and mounting bracket (1) includes base (18) and components and parts mounting panel (19), its characterized in that: the practical training equipment further comprises an output control module (10), an input control module (11), a double-line detection terminal (12), a switch (20), a buzzer (13) and an alarm lamp (14), wherein the double-line detection terminal (12) comprises a cold pressing terminal (15), an input signal line (16) and an output signal line (17), the input signal line (16) and the output signal line (17) are fixedly connected and conducted with the cold pressing terminal (15), and each component wiring terminal is connected with the input control module (11) and the output control module (10) through the double-line detection terminal (12).
2. The practical training device of claim 1, wherein: the device still contains the terminal row, the terminal row is installed in components and parts mounting panel (19) top, and the wiring end of all components and parts of components and parts mounting panel (19) installation is all walked the line through components and parts mounting panel (19) rear side through the wire, inserts terminal row downside terminal, and terminal row upside terminal is connected with cold pressing terminal (15) of double-wire detection terminal (12).
3. The practical training device of claim 2, wherein: the switch (20) is a relay (8).
4. The practical training device of claim 3, wherein: the relay (8) is an ohm dragon G5V-1-24V relay.
5. The practical training device of claim 4, wherein: the input signal wire (16) and the output signal wire (17) are fixedly connected with the cold pressing terminal (15) by soldering iron brazing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111516173.5A CN114038286A (en) | 2021-12-13 | 2021-12-13 | Comprehensive examination training device with wiring detection function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111516173.5A CN114038286A (en) | 2021-12-13 | 2021-12-13 | Comprehensive examination training device with wiring detection function |
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| CN114038286A true CN114038286A (en) | 2022-02-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013120A (en) * | 2022-12-05 | 2023-04-25 | 国网江苏省电力有限公司连云港供电分公司 | Fusion terminal installation practical training system and method for training |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839566A (en) * | 2019-04-09 | 2019-06-04 | 重庆前明科技有限公司 | A kind of the wiring detection system and detection method of electrical practice training platform |
| CN111047939A (en) * | 2019-12-26 | 2020-04-21 | 亚龙智能装备集团股份有限公司 | Electromechanical comprehensive training assessment platform and assessment method |
| CN112562440A (en) * | 2020-12-08 | 2021-03-26 | 蔡进 | Comprehensive training examination device for industrial automatic control system |
-
2021
- 2021-12-13 CN CN202111516173.5A patent/CN114038286A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109839566A (en) * | 2019-04-09 | 2019-06-04 | 重庆前明科技有限公司 | A kind of the wiring detection system and detection method of electrical practice training platform |
| CN111047939A (en) * | 2019-12-26 | 2020-04-21 | 亚龙智能装备集团股份有限公司 | Electromechanical comprehensive training assessment platform and assessment method |
| CN112562440A (en) * | 2020-12-08 | 2021-03-26 | 蔡进 | Comprehensive training examination device for industrial automatic control system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116013120A (en) * | 2022-12-05 | 2023-04-25 | 国网江苏省电力有限公司连云港供电分公司 | Fusion terminal installation practical training system and method for training |
| CN116013120B (en) * | 2022-12-05 | 2024-05-14 | 国网江苏省电力有限公司连云港供电分公司 | Fusion terminal installation practical training system and method for training |
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